Results 11 to 20 of about 82,415 (199)

Indole Inhibits IncP-1 Conjugation System Mainly Through Promoting korA and korB Expression

open access: yesFrontiers in Microbiology, 2021
Indole works as an interspecies signal molecule to regulate multiple physiological activities, like antibiotic resistance, acid resistance, and virulence. However, the effect of indole on conjugation is unknown.
Rui Xiong   +8 more
doaj   +1 more source

Antibiofilm and Antivirulence Properties of Indoles Against Serratia marcescens

open access: yesFrontiers in Microbiology, 2020
Indole and its derivatives have been shown to interfere with the quorum sensing (QS) systems of a wide range of bacterial pathogens. While indole has been previously shown to inhibit QS in Serratia marcescens, the effects of various indole derivatives on
Sivasamy Sethupathy   +4 more
doaj   +1 more source

RpoS and indole signaling control the virulence of Vibrio anguillarum towards gnotobiotic sea bass (Dicentrarchus labrax) larvae. [PDF]

open access: yesPLoS ONE, 2014
Quorum sensing, bacterial cell-to-cell communication with small signal molecules, controls the virulence of many pathogens. In contrast to other vibrios, neither the VanI/VanR acylhomoserine lactone quorum sensing system, nor the three-channel quorum ...
Xuan Li   +4 more
doaj   +1 more source

Clostridium difficile Modulates the Gut Microbiota by Inducing the Production of Indole, an Interkingdom Signaling and Antimicrobial Molecule

open access: yesmSystems, 2019
Clostridium (Clostridioides) difficile infection (CDI) is associated with dysbiosis. C. difficile has a characteristic propensity to persist and recur 1 to 4 weeks after treatment, but the mechanism is unknown. We hypothesized that C.
Charles Darkoh   +3 more
doaj   +1 more source

Indole production capacity in three different Escherichia coli strains [PDF]

open access: yesJournal of Advanced Pharmacy Research
Background: In Escherichia coli, the enzyme tryptophanase (TnaA) is responsible for the production of indole from tryptophan. However, the factors governing the production and excretion levels of indole by Escherichia coliremain uncertain, complicating ...
Galila Salama   +3 more
doaj   +1 more source

Regulation of Indole Signalling during the Transition of E. coli from Exponential to Stationary Phase.

open access: yesPLoS ONE, 2015
During the transition from exponential to stationary phase E. coli produces a substantial quantity of the small, aromatic signalling molecule indole. In LB medium the supernatant indole concentration reaches a maximum of 0.5-1 mM.
Hannah Gaimster, David Summers
doaj   +1 more source

Characterization of indole-3-pyruvic acid pathway-mediated biosynthesis of auxin in Neurospora crassa. [PDF]

open access: yesPLoS ONE, 2018
Plants, bacteria and some fungi are known to produce indole-3-acetic acid (IAA) by employing various pathways. Among these pathways, the indole-3-pyruvic acid (IPA) pathway is the best studied in green plants and plant-associated beneficial microbes ...
Puspendu Sardar, Frank Kempken
doaj   +1 more source

Bacterial Indole as a Multifunctional Regulator of Klebsiella oxytoca Complex Enterotoxicity

open access: yesmBio, 2022
Gastrointestinal microbes respond to biochemical metabolites that coordinate their behaviors. Here, we demonstrate that bacterial indole functions as a multifactorial mitigator of Klebsiella grimontii and Klebsiella oxytoca pathogenicity.
Nagender Ledala   +20 more
doaj   +1 more source

Effect of Bromination on the Quorum Sensing-Inhibiting Properties of Indole-3-Carboxaldehydes in Chromobacterium violaceum AHL System

open access: yesMicrobiology Research, 2021
Quorum sensing (QS) is a form of bacterial communication involved in the production of virulence factors in many species. As a result, inhibition of quorum sensing may be of use in mitigating pathogenesis. The signaling molecule indole is currently being
Chesley A. Kemp   +3 more
doaj   +1 more source

Targeting the gut microbial metabolic pathway with small molecules decreases uremic toxin production

open access: yesGut Microbes, 2020
Uremic toxins are a class of toxins that accumulate in patients with chronic kidney disease (CKD). Indoxyl sulfate (IS), a typical uremic toxin, is not efficiently removed by hemodialysis.
Yingyi Wang   +10 more
doaj   +1 more source

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